Home / 25,448.92-38,183.10-12,300.28

Finding the Fourth Proportional to 25,448.92, 38,183.10 and 12,300.28

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Solution

The fourth proportional to 25,448.92, 38,183.10 and 12,300.28 is: 18,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.92 : 38,183.10 = 12,300.28 : x
  2. Step 2: Convert to fraction form
    25,448.92/38,183.10 = 12,300.28/x
  3. Step 3: Cross multiply
    25,448.92x = 38,183.10 × 12,300.28
  4. Step 4: Simplify right side
    25,448.92x = 469,662,821.27
  5. Step 5: Solve for x
    x = 469,662,821.27/25,448.92
  6. Step 6: Final answer
    x = 18,455.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.